Home / 72,833,887.10-100,509,591.11-39,793,426.58

Finding the Fourth Proportional to 72,833,887.10, 100,509,591.11 and 39,793,426.58

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Solution

The fourth proportional to 72,833,887.10, 100,509,591.11 and 39,793,426.58 is: 54,914,287.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,833,887.10 : 100,509,591.11 = 39,793,426.58 : x
  2. Step 2: Convert to fraction form
    72,833,887.10/100,509,591.11 = 39,793,426.58/x
  3. Step 3: Cross multiply
    72,833,887.10x = 100,509,591.11 × 39,793,426.58
  4. Step 4: Simplify right side
    72,833,887.10x = 3,999,621,034,473,913
  5. Step 5: Solve for x
    x = 3,999,621,034,473,913/72,833,887.10
  6. Step 6: Final answer
    x = 54,914,287.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.